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ProcedureStatistics.java
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ProcedureStatistics.java
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/***************************************************************************
* Copyright (C) 2009 by H-Store Project *
* Brown University *
* Massachusetts Institute of Technology *
* Yale University *
* *
* Permission is hereby granted, free of charge, to any person obtaining *
* a copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to *
* the following conditions: *
* *
* The above copyright notice and this permission notice shall be *
* included in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
***************************************************************************/
package edu.brown.statistics;
import java.util.*;
import org.apache.log4j.Logger;
import org.json.*;
import org.voltdb.catalog.*;
import org.voltdb.types.QueryType;
import edu.brown.catalog.CatalogKey;
import edu.brown.catalog.CatalogKeyOldVersion;
import edu.brown.catalog.CatalogUtil;
import edu.brown.designer.MemoryEstimator;
import edu.brown.utils.*;
import edu.brown.workload.*;
/**
* @author pavlo
*/
public class ProcedureStatistics extends AbstractStatistics<Procedure> {
private static final Logger LOG = Logger.getLogger(ProcedureStatistics.class);
public enum Members {
TABLE_TUPLE_COUNTS, TABLE_AVG_TUPLE_SIZES, TABLE_TOTAL_SIZES, TABLE_READONLY, TABLE_QUERYTYPE_COUNTS,
PROC_COUNTS, PROC_QUERY_COUNTS, PROC_AVG_QUERY_COUNTS, PROC_READONLY, PROC_QUERYTYPE_COUNTS,
// TODO PROC_PARAM_HISTOGRAMS,
// TODO QUERY_STATS,
};
//
// Table Information
//
public final SortedMap<String, Integer> table_tuple_counts = new TreeMap<String, Integer>();
public final SortedMap<String, Integer> table_avg_tuple_sizes = new TreeMap<String, Integer>();
public final SortedMap<String, Integer> table_total_sizes = new TreeMap<String, Integer>();
public final SortedMap<String, Boolean> table_readonly = new TreeMap<String, Boolean>();
public final SortedMap<String, SortedMap<QueryType, Integer>> table_querytype_counts = new TreeMap<String, SortedMap<QueryType, Integer>>();
//
// Procedure Information
//
public Integer proc_counts = 0;
public Integer proc_query_counts = 0;
public Integer proc_avg_query_counts = 0;
public Boolean proc_readonly = true;
public final SortedMap<QueryType, Integer> proc_querytype_counts = new TreeMap<QueryType, Integer>();
//
// ProcParameter => Histogram
//
public final SortedMap<Integer, ObjectHistogram<Object>> proc_param_histograms = new TreeMap<Integer, ObjectHistogram<Object>>();
//
// Query Statistics
//
public final SortedMap<String, QueryStatistics> query_stats = new TreeMap<String, QueryStatistics>();
/**
* @param catalog_key
*/
public ProcedureStatistics(String catalog_key) {
super(catalog_key);
}
public ProcedureStatistics(Procedure catalog_proc) {
super(catalog_proc);
this.preprocess((Database) catalog_proc.getParent());
}
@Override
public Procedure getCatalogItem(Database catalog_db) {
return (CatalogKey.getFromKey(catalog_db, this.catalog_key, Procedure.class));
}
/**
*
*/
public void preprocess(Database catalog_db) {
if (this.has_preprocessed)
return;
final Procedure catalog_proc = CatalogKey.getFromKey(catalog_db, this.catalog_key, Procedure.class);
for (Table catalog_tbl : catalog_db.getTables()) {
if (catalog_tbl.getSystable())
continue;
String table_key = CatalogKey.createKey(catalog_tbl);
this.table_tuple_counts.put(table_key, 0);
this.table_avg_tuple_sizes.put(table_key, 0);
this.table_total_sizes.put(table_key, 0);
this.table_readonly.put(table_key, true);
this.table_querytype_counts.put(table_key, new TreeMap<QueryType, Integer>());
for (QueryType type : QueryType.values()) {
this.table_querytype_counts.get(table_key).put(type, 0);
} // FOR
} // FOR
for (QueryType type : QueryType.values()) {
this.proc_querytype_counts.put(type, 0);
} // FOR
for (Statement catalog_stmt : catalog_proc.getStatements()) {
String stmt_name = catalog_stmt.getName();
this.query_stats.put(stmt_name, new QueryStatistics(catalog_stmt));
} // FOR
for (ProcParameter catalog_proc_param : catalog_proc.getParameters()) {
int proc_param_idx = catalog_proc_param.getIndex();
this.proc_param_histograms.put(proc_param_idx, new ObjectHistogram<Object>());
} // FOR
this.has_preprocessed = true;
return;
}
/**
* @param xact
* @throws Exception
*/
@Override
public void process(Database catalog_db, TransactionTrace xact) throws Exception {
this.proc_counts += 1;
final Procedure catalog_proc = CatalogKey.getFromKey(catalog_db, this.catalog_key, Procedure.class);
for (QueryTrace query : xact.getQueries()) {
this.process(catalog_db, query);
} // FOR
//
// Analyze procedure input parameters
//
for (int i = 0, cnt = this.proc_param_histograms.size(); i < cnt; i++) {
ProcParameter catalog_proc_param = catalog_proc.getParameters().get(i);
if (catalog_proc_param.getIsarray()) {
Object values[] = xact.getParam(i);
for (Object value : values) {
this.proc_param_histograms.get(i).put(value);
} // FOR
} else {
this.proc_param_histograms.get(i).put(xact.getParam(i));
}
} // FOR
for (QueryStatistics query_stat : this.query_stats.values()) {
query_stat.process(catalog_db, xact);
} // FOR
}
/**
* @param query
* @throws Exception
*/
protected void process(Database catalog_db, QueryTrace query) throws Exception {
Statement catalog_stmt = query.getCatalogItem(catalog_db);
QueryType query_type = QueryType.get(catalog_stmt.getQuerytype());
this.proc_query_counts += 1;
if (catalog_stmt.getQuerytype() == QueryType.INSERT.getValue() || catalog_stmt.getQuerytype() == QueryType.UPDATE.getValue() || catalog_stmt.getQuerytype() == QueryType.DELETE.getValue()) {
this.proc_readonly = false;
}
//
// Count Query Types
//
this.proc_querytype_counts.put(query_type, this.proc_querytype_counts.get(query_type) + 1);
//
// Get the tables used by this query
//
Collection<Table> catalog_tbls = CatalogUtil.getReferencedTables(catalog_stmt);
if (catalog_tbls.isEmpty()) {
LOG.fatal("Failed to get the target table for " + CatalogUtil.getDisplayName(catalog_stmt));
System.exit(1);
}
for (Table catalog_tbl : catalog_tbls) {
String table_key = CatalogKey.createKey(catalog_tbl);
this.table_querytype_counts.get(table_key).put(query_type, this.table_querytype_counts.get(table_key).get(query_type) + 1);
} // FOR
//
// Now from this point forward we only want to look at INSERTs
//
if (query_type != QueryType.INSERT)
return;
if (catalog_tbls.size() > 1) {
LOG.fatal("Found more than one table for " + CatalogUtil.getDisplayName(catalog_stmt) + ": " + catalog_tbls);
System.exit(1);
}
LOG.debug("Looking at " + CatalogUtil.getDisplayName(catalog_stmt));
try {
Table catalog_tbl = CollectionUtil.first(catalog_tbls);
String table_key = CatalogKey.createKey(catalog_tbl);
Integer bytes = MemoryEstimator.estimateTupleSize(catalog_tbl, catalog_stmt, query.getParams()).intValue();
this.table_total_sizes.put(table_key, this.table_total_sizes.get(table_key) + bytes);
this.table_tuple_counts.put(table_key, this.table_tuple_counts.get(table_key) + 1);
} catch (ArrayIndexOutOfBoundsException ex) {
// Silently let these pass...
LOG.debug("Failed to calculate estimated tuple size for " + query, ex);
} catch (Exception ex) {
LOG.fatal("Failed to calculate estimated tuple size for " + query, ex);
LOG.fatal(query.debug(catalog_db));
System.exit(1);
}
}
@Override
public void postprocess(Database catalog_db) throws Exception {
//
// Clean-up totals
//
Integer count = this.proc_counts;
Integer queries = this.proc_query_counts;
if (count > 0) {
this.proc_avg_query_counts = queries / count;
}
//
// Table Information
//
for (String table_key : this.table_tuple_counts.keySet()) {
count = this.table_tuple_counts.get(table_key);
Integer bytes = this.table_total_sizes.get(table_key);
if (count > 0)
this.table_avg_tuple_sizes.put(table_key, bytes / count);
//
// Read-only?
//
if (this.table_querytype_counts.get(table_key).get(QueryType.INSERT) > 0 || this.table_querytype_counts.get(table_key).get(QueryType.UPDATE) > 0
|| this.table_querytype_counts.get(table_key).get(QueryType.DELETE) > 0) {
this.table_readonly.put(table_key, false);
}
} // FOR
}
public <T extends CatalogType, U> void debug(SortedMap<T, U> map, String title, StringBuilder sb) {
sb.append(DEBUG_SPACER + title + ":\n");
for (T catalog_item : map.keySet()) {
sb.append(DEBUG_SPACER + DEBUG_SPACER);
sb.append(catalog_item.getName());
sb.append(":\t");
sb.append(map.get(catalog_item));
sb.append("\n");
} // FOR
sb.append("\n");
return;
}
@Override
public String debug(Database catalog_db) {
return (this.debug(catalog_db, ProcedureStatistics.Members.values()));
}
/**
*
*/
@Override
public String toJSONString() {
JSONStringer stringer = new JSONStringer();
try {
stringer.object();
this.toJSONString(stringer);
stringer.endObject();
} catch (JSONException e) {
e.printStackTrace();
System.exit(-1);
}
return stringer.toString();
}
/**
*
*/
public static String toJSONString(Map<Procedure, ProcedureStatistics> stats) throws Exception {
JSONStringer stringer = new JSONStringer();
try {
stringer.object();
for (Procedure catalog_proc : stats.keySet()) {
stringer.key(catalog_proc.getName()).object();
stats.get(catalog_proc).toJSONString(stringer);
stringer.endObject();
} // FOR
stringer.endObject();
} catch (JSONException e) {
e.printStackTrace();
System.exit(-1);
}
return new JSONObject(stringer.toString()).toString(2);
}
/**
* @param stringer
* @throws JSONException
*/
@Override
public void toJSONString(JSONStringer stringer) throws JSONException {
this.writeMap(this.table_tuple_counts, Members.TABLE_TUPLE_COUNTS.name(), stringer);
this.writeMap(this.table_avg_tuple_sizes, Members.TABLE_AVG_TUPLE_SIZES.name(), stringer);
this.writeMap(this.table_total_sizes, Members.TABLE_TOTAL_SIZES.name(), stringer);
this.writeMap(this.table_readonly, Members.TABLE_READONLY.name(), stringer);
stringer.key(Members.TABLE_QUERYTYPE_COUNTS.name()).object();
for (String table_key : this.table_querytype_counts.keySet()) {
this.writeMap(this.table_querytype_counts.get(table_key), table_key, stringer);
}
stringer.endObject();
stringer.key(Members.PROC_COUNTS.name()).value(this.proc_counts);
stringer.key(Members.PROC_QUERY_COUNTS.name()).value(this.proc_query_counts);
stringer.key(Members.PROC_AVG_QUERY_COUNTS.name()).value(this.proc_avg_query_counts);
stringer.key(Members.PROC_READONLY.name()).value(this.proc_readonly);
this.writeMap(this.proc_querytype_counts, Members.PROC_QUERYTYPE_COUNTS.name(), stringer);
}
/**
* @param object
* @throws JSONException
*/
@Override
public void fromJSONObject(JSONObject object, Database catalog_db) throws JSONException {
if (LOG.isDebugEnabled())
LOG.debug("Populating workload statistics from JSON string");
this.preprocess(catalog_db);
JSONObject tblQueryObject = object.getJSONObject(Members.TABLE_QUERYTYPE_COUNTS.name());
Map<String, String> name_xref = new HashMap<String, String>();
for (Table catalog_tbl : catalog_db.getTables()) {
if (catalog_tbl.getSystable())
continue;
JSONException last_error = null;
String table_keys[] = { CatalogKey.createKey(catalog_tbl), CatalogKeyOldVersion.createKey(catalog_tbl) };
for (String table_key : table_keys) {
try {
this.readMap(this.table_querytype_counts.get(table_keys[0]),
table_key,
QueryType.getNameMap(),
Integer.class,
tblQueryObject);
} catch (JSONException ex) {
last_error = ex;
continue;
}
last_error = null;
name_xref.put(table_key, table_key);
break;
} // FOR
if (last_error != null) {
// 2013-10-21
// I decided to switch this to be just a warning instead of
// a fatal warning for Nesime. Deal with it.
LOG.warn("BUSTED: " + StringUtil.join(",", tblQueryObject.keys()));
// throw last_error;
}
} // FOR
this.readMap(this.table_tuple_counts, Members.TABLE_TUPLE_COUNTS.name(), name_xref, Integer.class, object);
this.readMap(this.table_avg_tuple_sizes, Members.TABLE_AVG_TUPLE_SIZES.name(), name_xref, Integer.class, object);
this.readMap(this.table_total_sizes, Members.TABLE_TOTAL_SIZES.name(), name_xref, Integer.class, object);
this.readMap(this.table_readonly, Members.TABLE_READONLY.name(), name_xref, Integer.class, object);
this.proc_counts = object.getInt(Members.PROC_COUNTS.name());
this.proc_query_counts = object.getInt(Members.PROC_QUERY_COUNTS.name());
this.proc_avg_query_counts = object.getInt(Members.PROC_AVG_QUERY_COUNTS.name());
this.proc_readonly = object.getBoolean(Members.PROC_READONLY.name());
this.readMap(this.proc_querytype_counts, Members.PROC_QUERYTYPE_COUNTS.name(), QueryType.getNameMap(), Integer.class, object);
}
}